Advice on getting a boyfriend in high school?

So we just started school again and I'm looking for a relationship. Not anything too serious, just a sweet, simple one.
I notice guys checking me out and making eye contact with me in the halls, but they never approach me..
Any tips on how to change that?
Also, boys, when you were in high school, how would have felt to have a random girl approach you?
Advice on getting a boyfriend in high school?
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